I think the OP's statement about being the longest running online game comes from the fact that First Age is an offshoot of the original Avalon which has been going since 1989. I doubt this qualifies as the longest running either, but it's certainly been around a long time.
It's been years since I have played Avalon, but I would certainly recommend it to anyone who enjoys immersive rp, politics and PvP. The games are similar to IRE, but attract more hardcore players due to being subscription only. They also have a faster combat system that is harder to bot and there is much less emphasis on leveling/PvE.
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